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Finding the Fourth Proportional to 7,495.15, 11,243.28 and 4,375.45

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Solution

The fourth proportional to 7,495.15, 11,243.28 and 4,375.45 is: 6,563.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.15 : 11,243.28 = 4,375.45 : x
  2. Step 2: Convert to fraction form
    7,495.15/11,243.28 = 4,375.45/x
  3. Step 3: Cross multiply
    7,495.15x = 11,243.28 × 4,375.45
  4. Step 4: Simplify right side
    7,495.15x = 49,194,409.48
  5. Step 5: Solve for x
    x = 49,194,409.48/7,495.15
  6. Step 6: Final answer
    x = 6,563.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.